问题
People develop ______ preference for a particular style of learning at ______ early age and these preferences affect learning.
A:a; an
B:a; 不填
C:不填; the
D:the; an;
B:a; 不填
C:不填; the
D:the; an;
正确答案是：
同类题型
Books are everywhere, but it’s not easy to find one __________ is really interesting.
As many as five courses are provided,and you are free to choose ________ suits you best.
The librarian took a story book _____ from the shelfand gave it to the girl.
The new car won’t go into production soon. The engineof it hasn’t been fully ___.